Adapter



FIG. 1 is a perspective view of an adapter;

FIG. 2 is a front view of the adapter of FIG. 1;

FIG. 3 is a rear view of the adapter of FIG. 1;

FIG. 4 is a right side of the adapter of FIG. 1;

FIG. 5 is a left side of the adapter of FIG. 1;

FIG. 6 is a top view of the adapter of FIG. 1; and,

FIG. 7 is a bottom view of the adapter of FIG. 1. 

CLAIM The ornamental design for an adapter, as shown and described. 